C312322331333132212111133133313113313331333131133133313331323221221   >>    C31232233133313221211113313331311331333133313113313331333132322122   <<    C312322331333132212111133133313113313331333131133133313331323221223   >>      C312322331333132212111133133313113313331333131133133313331323221222   >>